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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
package org.mozilla.geckoview.test;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import androidx.test.filters.MediumTest;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mozilla.gecko.MultiMap;
@RunWith(AndroidJUnit4.class)
@MediumTest
public class MultiMapTest {
@Test
public void emptyMap() {
final MultiMap<String, String> map = new MultiMap<>();
assertThat(map.get("not-present").isEmpty(), is(true));
assertThat(map.containsKey("not-present"), is(false));
assertThat(map.containsEntry("not-present", "nope"), is(false));
assertThat(map.size(), is(0));
assertThat(map.asMap().size(), is(0));
assertThat(map.remove("not-present"), nullValue());
assertThat(map.remove("not-present", "nope"), is(false));
assertThat(map.keySet().size(), is(0));
map.clear();
}
@Test
public void emptyMapWithCapacity() {
final MultiMap<String, String> map = new MultiMap<>(10);
assertThat(map.get("not-present").isEmpty(), is(true));
assertThat(map.containsKey("not-present"), is(false));
assertThat(map.containsEntry("not-present", "nope"), is(false));
assertThat(map.size(), is(0));
assertThat(map.asMap().size(), is(0));
assertThat(map.remove("not-present"), nullValue());
assertThat(map.remove("not-present", "nope"), is(false));
assertThat(map.keySet().size(), is(0));
map.clear();
}
@Test
public void addMultipleValues() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
map.add("test", "value2");
map.add("test2", "value3");
assertThat(map.containsEntry("test", "value1"), is(true));
assertThat(map.containsEntry("test", "value2"), is(true));
assertThat(map.containsEntry("test2", "value3"), is(true));
assertThat(map.containsEntry("test3", "value1"), is(false));
assertThat(map.containsEntry("test", "value3"), is(false));
final List<String> values = map.get("test");
assertThat(values.contains("value1"), is(true));
assertThat(values.contains("value2"), is(true));
assertThat(values.contains("value3"), is(false));
assertThat(values.size(), is(2));
final List<String> values2 = map.get("test2");
assertThat(values2.contains("value1"), is(false));
assertThat(values2.contains("value2"), is(false));
assertThat(values2.contains("value3"), is(true));
assertThat(values2.size(), is(1));
assertThat(map.size(), is(2));
}
@Test
public void remove() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
map.add("test", "value2");
map.add("test2", "value3");
assertThat(map.size(), is(2));
final List<String> values = map.remove("test");
assertThat(values.size(), is(2));
assertThat(values.contains("value1"), is(true));
assertThat(values.contains("value2"), is(true));
assertThat(map.size(), is(1));
assertThat(map.containsKey("test"), is(false));
assertThat(map.containsEntry("test", "value1"), is(false));
assertThat(map.containsEntry("test", "value2"), is(false));
assertThat(map.get("test").size(), is(0));
assertThat(map.get("test2").size(), is(1));
assertThat(map.get("test2").contains("value3"), is(true));
assertThat(map.containsEntry("test2", "value3"), is(true));
}
@Test
public void removeAllValuesRemovesKey() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
map.add("test", "value2");
map.add("test2", "value3");
assertThat(map.remove("test", "value1"), is(true));
assertThat(map.containsEntry("test", "value1"), is(false));
assertThat(map.containsEntry("test", "value2"), is(true));
assertThat(map.get("test").size(), is(1));
assertThat(map.get("test").contains("value2"), is(true));
assertThat(map.remove("test", "value2"), is(true));
assertThat(map.remove("test", "value3"), is(false));
assertThat(map.remove("test2", "value4"), is(false));
assertThat(map.containsKey("test"), is(false));
assertThat(map.containsKey("test2"), is(true));
}
@Test
public void keySet() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
map.add("test", "value2");
map.add("test2", "value3");
final Set<String> keys = map.keySet();
assertThat(keys.size(), is(2));
assertThat(keys.contains("test"), is(true));
assertThat(keys.contains("test2"), is(true));
}
@Test
public void clear() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
map.add("test", "value2");
map.add("test2", "value3");
assertThat(map.size(), is(2));
map.clear();
assertThat(map.size(), is(0));
assertThat(map.containsKey("test"), is(false));
assertThat(map.containsKey("test2"), is(false));
assertThat(map.containsEntry("test", "value1"), is(false));
assertThat(map.containsEntry("test", "value2"), is(false));
assertThat(map.containsEntry("test2", "value3"), is(false));
}
@Test
public void asMap() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
map.add("test", "value2");
map.add("test2", "value3");
final Map<String, List<String>> asMap = map.asMap();
assertThat(asMap.size(), is(2));
assertThat(asMap.get("test").size(), is(2));
assertThat(asMap.get("test").contains("value1"), is(true));
assertThat(asMap.get("test").contains("value2"), is(true));
assertThat(asMap.get("test2").size(), is(1));
assertThat(asMap.get("test2").contains("value3"), is(true));
}
@Test
public void addAll() {
final MultiMap<String, String> map = new MultiMap<>();
map.add("test", "value1");
assertThat(map.get("test").size(), is(1));
// Existing key test
final List<String> values = map.addAll("test", Arrays.asList("value2", "value3"));
assertThat(values.size(), is(3));
assertThat(values.contains("value1"), is(true));
assertThat(values.contains("value2"), is(true));
assertThat(values.contains("value3"), is(true));
assertThat(map.containsEntry("test", "value1"), is(true));
assertThat(map.containsEntry("test", "value2"), is(true));
assertThat(map.containsEntry("test", "value3"), is(true));
// New key test
final List<String> values2 = map.addAll("test2", Arrays.asList("value4", "value5"));
assertThat(values2.size(), is(2));
assertThat(values2.contains("value4"), is(true));
assertThat(values2.contains("value5"), is(true));
assertThat(map.containsEntry("test2", "value4"), is(true));
assertThat(map.containsEntry("test2", "value5"), is(true));
}
}
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